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245955145911388 = 221231129197386621
BaseRepresentation
bin110111111011000111100101…
…000110100100110001011100
31012020212002020000012211111221
4313323013211012210301130
5224214212114323131023
62231034122330023124
7102543446541415054
oct6773074506446134
91166762200184457
10245955145911388
1171406a9a914151
1223703908877aa4
13a7316172a21a4
1444a4414ba2564
151d67cd002885d
hexdfb1e51a4c5c

245955145911388 has 24 divisors (see below), whose sum is σ = 430775605681344. Its totient is φ = 122876403499200.

The previous prime is 245955145911323. The next prime is 245955145911389. The reversal of 245955145911388 is 883119541559542.

It is a super-2 number, since 2×2459551459113882 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245955145911389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635972718 + ... + 636359338.

It is an arithmetic number, because the mean of its divisors is an integer number (17948983570056).

Almost surely, 2245955145911388 is an apocalyptic number.

It is an amenable number.

245955145911388 is a deficient number, since it is larger than the sum of its proper divisors (184820459769956).

245955145911388 is a wasteful number, since it uses less digits than its factorization.

245955145911388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517053 (or 517051 counting only the distinct ones).

The product of its digits is 311040000, while the sum is 70.

The spelling of 245955145911388 in words is "two hundred forty-five trillion, nine hundred fifty-five billion, one hundred forty-five million, nine hundred eleven thousand, three hundred eighty-eight".

Divisors: 1 2 4 1231 2462 4924 129197 258394 386621 516788 773242 1546484 159041507 318083014 475930451 636166028 951860902 1903721804 49950273337 99900546674 199801093348 61488786477847 122977572955694 245955145911388